The Presidential Daily Brief

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  1. Masked Marathoners Brave Beijing Smog

    Outrunning pollution is impossible, so thousands of marathoners donned face masks to run Beijing’s 26-mile endurance race yesterday. How bad was the air? City officials warned folks to remain indoors to avoid choking on soot, race organizers supplied sponges so runners could wipe crud from their faces, and the haze was so thick that competitors couldn’t see nearby buildings. The World Health Organization caps healthy air at 25 micrograms of particulate matter per cubic meter; Beijing’s measurement yesterday was 344.

    The Atlantic

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